As I was cleaning the garage I found an old pair of MTX ThunderCast 15's. Wondering if any of the manufacturers could recone these? 3" Voice coil 4 spoke cast basket 110 oz motor 6 bolt pattern for motor to basket Took both apart to find out one had a shifted top plate causing the coil to pinch and the other had a scratchy coil due to dirt and debris in the gap along with ripped surround. Are these even worth the time to recone? Just looking for options. Thx Curt